public class WorkerThread implements Runnable {
  int y;

  public WorkerThread(int y) {
    this.y = y;

  }

  @Override
  public void run(int x) {
    System.out.println(x+y);
  }
}

ExecutorService executor = Executors.newFixedThreadPool(5);

    for (int num: number) {
        Runnable worker = new WorkerThread(num);
        for (int  anotherNum : anotherNumbers) {
                executor.execute(worker.run(anotherNum));
        }
    }